"I wanted to be a Disney princess since I was 5 years old," says Kristen Bell.

And, as she launches into the song "Do You Want to Build A Snowman," you believe her.

It's one of the songs from "Frozen," the Oscar-winning Disney film in which she stars alongside Idina Menzel. In this live rendition of the movie track, Bell resumes her role as Anna — all of her. From squeaky-voiced kid to full-fledged adult, she brings the Disney heroine to life on stage.

Posted to YouTube on March 22, a video of the performance, at a Los Angeles club, appears to have been gaining traction as of late, and now has 839,727 views.